Lockable extension cord receptacle cover



FIG. 1 is a left, front top perspective view showing my design;

FIG. 2 is a right end elevational view thereof; the left end elevational view being a mirror image thereof;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a rear elevational view thereof. 

The ornamental design for a lockable extension cord receptacle cover, as shown and described. 